APA

Turner J. R. G., .Illustrations of Heliconius (<Nymphalidae>): some rare and important specimens. : .

Chicago

Turner John R G, .Illustrations of Heliconius (<Nymphalidae>): some rare and important specimens. : .

Harvard

Turner J. R. G., .Illustrations of Heliconius (<Nymphalidae>): some rare and important specimens. : .

MLA

Turner John R G, .: . .